Obtains a reference to a client function that, when invoked, initiates a client call back to a server event. The client function for this overloaded method includes a specified control, argument, client script, and context.

Obtains a reference to a client function that, when invoked, initiates a client call back to server events. The client function for this overloaded method includes a specified control, argument, client script, context, and Boolean value.

Obtains a reference to a client function that, when invoked, initiates a client call back to server events. The client function for this overloaded method includes a specified control, argument, client script, context, error handler, and Boolean value.

Obtains a reference to a client function that, when invoked, initiates a client call back to server events. The client function for this overloaded method includes a specified target, argument, client script, context, error handler, and Boolean value.

Gets a reference, with javascript: appended to the beginning of it, that can be used in a client event to post back to the server for the specified control with the specified event arguments and Boolean indication whether to register the post back for event validation.

Returns a string that can be used in a client event to cause postback to the server. The reference string is defined by the specified control that handles the postback and a string argument of additional event information.

Returns a string that can be used in a client event to cause postback to the server. The reference string is defined by the specified PostBackOptions object. Optionally, registers the event reference for validation.

Returns a string to use in a client event to cause postback to the server. The reference string is defined by the specified control that handles the postback and a string argument of additional event information. Optionally, registers the event reference for validation.

Registers a name/value pair as a custom (expando) attribute of the specified control given a control ID, an attribute name, an attribute value, and a Boolean value indicating whether to encode the attribute value.